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Re: [AArch64][SVE 26/32] Add SVE MUL VL addressing modes
On 23/08/16 10:23, Richard Sandiford wrote:
> This patch adds support for addresses of the form:
>
> [<base>, #<offset>, MUL VL]
>
> This involves adding a new AARCH64_MOD_MUL_VL modifier, which is
> why I split it out from the other addressing modes.
>
> For LD2, LD3 and LD4, the offset must be a multiple of the structure
> size, so for LD3 the possible values are 0, 3, 6, .... The patch
> therefore extends value_aligned_p to handle non-power-of-2 alignments.
>
> OK to install?
>
> Thanks,
> Richard
>
>
> include/opcode/
> * aarch64.h (AARCH64_OPND_SVE_ADDR_RI_S4xVL): New aarch64_opnd.
> (AARCH64_OPND_SVE_ADDR_RI_S4x2xVL, AARCH64_OPND_SVE_ADDR_RI_S4x3xVL)
> (AARCH64_OPND_SVE_ADDR_RI_S4x4xVL, AARCH64_OPND_SVE_ADDR_RI_S6xVL)
> (AARCH64_OPND_SVE_ADDR_RI_S9xVL): Likewise.
> (AARCH64_MOD_MUL_VL): New aarch64_modifier_kind.
>
> opcodes/
> * aarch64-tbl.h (AARCH64_OPERANDS): Add entries for new MUL VL
> operands.
> * aarch64-opc.c (aarch64_operand_modifiers): Initialize
> the AARCH64_MOD_MUL_VL entry.
> (value_aligned_p): Cope with non-power-of-two alignments.
> (operand_general_constraint_met_p): Handle the new MUL VL addresses.
> (print_immediate_offset_address): Likewise.
> (aarch64_print_operand): Likewise.
> * aarch64-opc-2.c: Regenerate.
> * aarch64-asm.h (ins_sve_addr_ri_s4xvl, ins_sve_addr_ri_s6xvl)
> (ins_sve_addr_ri_s9xvl): New inserters.
> * aarch64-asm.c (aarch64_ins_sve_addr_ri_s4xvl): New function.
> (aarch64_ins_sve_addr_ri_s6xvl): Likewise.
> (aarch64_ins_sve_addr_ri_s9xvl): Likewise.
> * aarch64-asm-2.c: Regenerate.
> * aarch64-dis.h (ext_sve_addr_ri_s4xvl, ext_sve_addr_ri_s6xvl)
> (ext_sve_addr_ri_s9xvl): New extractors.
> * aarch64-dis.c (aarch64_ext_sve_addr_reg_mul_vl): New function.
> (aarch64_ext_sve_addr_ri_s4xvl): Likewise.
> (aarch64_ext_sve_addr_ri_s6xvl): Likewise.
> (aarch64_ext_sve_addr_ri_s9xvl): Likewise.
> * aarch64-dis-2.c: Regenerate.
>
> gas/
> * config/tc-aarch64.c (SHIFTED_MUL_VL): New parse_shift_mode.
> (parse_shift): Handle it.
> (parse_address_main): Handle the new MUL VL addresses.
> (parse_operands): Likewise.
>
OK.
R.
> diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
> index f9d89ce..37fce5b 100644
> --- a/gas/config/tc-aarch64.c
> +++ b/gas/config/tc-aarch64.c
> @@ -2949,6 +2949,7 @@ enum parse_shift_mode
> SHIFTED_LSL, /* bare "lsl #n" */
> SHIFTED_MUL, /* bare "mul #n" */
> SHIFTED_LSL_MSL, /* "lsl|msl #n" */
> + SHIFTED_MUL_VL, /* "mul vl" */
> SHIFTED_REG_OFFSET /* [su]xtw|sxtx {#n} or lsl #n */
> };
>
> @@ -2990,7 +2991,8 @@ parse_shift (char **str, aarch64_opnd_info *operand, enum parse_shift_mode mode)
> }
>
> if (kind == AARCH64_MOD_MUL
> - && mode != SHIFTED_MUL)
> + && mode != SHIFTED_MUL
> + && mode != SHIFTED_MUL_VL)
> {
> set_syntax_error (_("invalid use of 'MUL'"));
> return FALSE;
> @@ -3030,6 +3032,20 @@ parse_shift (char **str, aarch64_opnd_info *operand, enum parse_shift_mode mode)
> }
> break;
>
> + case SHIFTED_MUL_VL:
> + if (kind == AARCH64_MOD_MUL)
> + {
> + skip_whitespace (p);
> + if (strncasecmp (p, "vl", 2) == 0 && !ISALPHA (p[2]))
> + {
> + p += 2;
> + kind = AARCH64_MOD_MUL_VL;
> + break;
> + }
> + }
> + set_syntax_error (_("only 'MUL VL' is permitted"));
> + return FALSE;
> +
> case SHIFTED_REG_OFFSET:
> if (kind != AARCH64_MOD_UXTW && kind != AARCH64_MOD_LSL
> && kind != AARCH64_MOD_SXTW && kind != AARCH64_MOD_SXTX)
> @@ -3057,7 +3073,7 @@ parse_shift (char **str, aarch64_opnd_info *operand, enum parse_shift_mode mode)
>
> /* Parse shift amount. */
> exp_has_prefix = 0;
> - if (mode == SHIFTED_REG_OFFSET && *p == ']')
> + if ((mode == SHIFTED_REG_OFFSET && *p == ']') || kind == AARCH64_MOD_MUL_VL)
> exp.X_op = O_absent;
> else
> {
> @@ -3068,7 +3084,11 @@ parse_shift (char **str, aarch64_opnd_info *operand, enum parse_shift_mode mode)
> }
> my_get_expression (&exp, &p, GE_NO_PREFIX, 0);
> }
> - if (exp.X_op == O_absent)
> + if (kind == AARCH64_MOD_MUL_VL)
> + /* For consistency, give MUL VL the same shift amount as an implicit
> + MUL #1. */
> + operand->shifter.amount = 1;
> + else if (exp.X_op == O_absent)
> {
> if (aarch64_extend_operator_p (kind) == FALSE || exp_has_prefix)
> {
> @@ -3289,6 +3309,7 @@ parse_shifter_operand_reloc (char **str, aarch64_opnd_info *operand,
> PC-relative (literal)
> label
> SVE:
> + [base,#imm,MUL VL]
> [base,Zm.D{,LSL #imm}]
> [base,Zm.S,(S|U)XTW {#imm}]
> [base,Zm.D,(S|U)XTW {#imm}] // ignores top 32 bits of Zm.D elements
> @@ -3334,7 +3355,9 @@ parse_shifter_operand_reloc (char **str, aarch64_opnd_info *operand,
> Likewise ACCEPT_SVE says whether the SVE addressing modes should be
> accepted. We use context-dependent parsing for this case because
> (for compatibility) we should accept symbolic constants like z0 and
> - z0.s in base AArch64 code.
> + z0.s in base AArch64 code. Also, the error message "only 'MUL VL'
> + is permitted" is likely to be confusing in non-SVE addresses, where
> + no immediate modifiers are permitted.
>
> In all other cases, it is the caller's responsibility to check whether
> the addressing mode is supported by the instruction. It is also the
> @@ -3544,6 +3567,10 @@ parse_address_main (char **str, aarch64_opnd_info *operand,
> set_syntax_error (_("constant offset required"));
> return FALSE;
> }
> + if (accept_sve && skip_past_comma (&p))
> + /* [Xn,<expr>,MUL VL */
> + if (! parse_shift (&p, operand, SHIFTED_MUL_VL))
> + return FALSE;
> }
> }
> }
> @@ -3619,9 +3646,9 @@ parse_address_main (char **str, aarch64_opnd_info *operand,
> }
>
> /* Parse a base AArch64 address, i.e. one that cannot contain SVE base
> - registers or SVE offset registers. Do not allow relocation operators.
> - Look for and parse "[Xn], (Xm|#m)" as post-indexed addressing
> - if ACCEPT_REG_POST_INDEX is true.
> + registers, SVE offset registers, or MUL VL. Do not allow relocation
> + operators. Look for and parse "[Xn], (Xm|#m)" as post-indexed
> + addressing if ACCEPT_REG_POST_INDEX is true.
>
> Return TRUE on success. */
> static bfd_boolean
> @@ -3634,8 +3661,8 @@ parse_address (char **str, aarch64_opnd_info *operand,
> }
>
> /* Parse a base AArch64 address, i.e. one that cannot contain SVE base
> - registers or SVE offset registers. Allow relocation operators but
> - disallow post-indexed addressing.
> + registers, SVE offset registers, or MUL VL. Allow relocation operators
> + but disallow post-indexed addressing.
>
> Return TRUE on success. */
> static bfd_boolean
> @@ -3646,7 +3673,7 @@ parse_address_reloc (char **str, aarch64_opnd_info *operand)
> TRUE, FALSE, FALSE);
> }
>
> -/* Parse an address in which SVE vector registers are allowed.
> +/* Parse an address in which SVE vector registers and MUL VL are allowed.
> The arguments have the same meaning as for parse_address_main.
> Return TRUE on success. */
> static bfd_boolean
> @@ -5980,11 +6007,18 @@ parse_operands (char *str, const aarch64_opcode *opcode)
> /* No qualifier. */
> break;
>
> + case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S6xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S9xVL:
> case AARCH64_OPND_SVE_ADDR_RI_U6:
> case AARCH64_OPND_SVE_ADDR_RI_U6x2:
> case AARCH64_OPND_SVE_ADDR_RI_U6x4:
> case AARCH64_OPND_SVE_ADDR_RI_U6x8:
> - /* [X<n>{, #imm}]
> + /* [X<n>{, #imm, MUL VL}]
> + [X<n>{, #imm}]
> but recognizing SVE registers. */
> po_misc_or_fail (parse_sve_address (&str, info, &base_qualifier,
> &offset_qualifier));
> diff --git a/include/opcode/aarch64.h b/include/opcode/aarch64.h
> index e61ac9c..837d6bd 100644
> --- a/include/opcode/aarch64.h
> +++ b/include/opcode/aarch64.h
> @@ -244,6 +244,12 @@ enum aarch64_opnd
> AARCH64_OPND_PRFOP, /* Prefetch operation. */
> AARCH64_OPND_BARRIER_PSB, /* Barrier operand for PSB. */
>
> + AARCH64_OPND_SVE_ADDR_RI_S4xVL, /* SVE [<Xn|SP>, #<simm4>, MUL VL]. */
> + AARCH64_OPND_SVE_ADDR_RI_S4x2xVL, /* SVE [<Xn|SP>, #<simm4>*2, MUL VL]. */
> + AARCH64_OPND_SVE_ADDR_RI_S4x3xVL, /* SVE [<Xn|SP>, #<simm4>*3, MUL VL]. */
> + AARCH64_OPND_SVE_ADDR_RI_S4x4xVL, /* SVE [<Xn|SP>, #<simm4>*4, MUL VL]. */
> + AARCH64_OPND_SVE_ADDR_RI_S6xVL, /* SVE [<Xn|SP>, #<simm6>, MUL VL]. */
> + AARCH64_OPND_SVE_ADDR_RI_S9xVL, /* SVE [<Xn|SP>, #<simm9>, MUL VL]. */
> AARCH64_OPND_SVE_ADDR_RI_U6, /* SVE [<Xn|SP>, #<uimm6>]. */
> AARCH64_OPND_SVE_ADDR_RI_U6x2, /* SVE [<Xn|SP>, #<uimm6>*2]. */
> AARCH64_OPND_SVE_ADDR_RI_U6x4, /* SVE [<Xn|SP>, #<uimm6>*4]. */
> @@ -786,6 +792,7 @@ enum aarch64_modifier_kind
> AARCH64_MOD_SXTW,
> AARCH64_MOD_SXTX,
> AARCH64_MOD_MUL,
> + AARCH64_MOD_MUL_VL,
> };
>
> bfd_boolean
> diff --git a/opcodes/aarch64-asm-2.c b/opcodes/aarch64-asm-2.c
> index 47a414c..da590ca 100644
> --- a/opcodes/aarch64-asm-2.c
> +++ b/opcodes/aarch64-asm-2.c
> @@ -480,12 +480,6 @@ aarch64_insert_operand (const aarch64_operand *self,
> case 27:
> case 35:
> case 36:
> - case 123:
> - case 124:
> - case 125:
> - case 126:
> - case 127:
> - case 128:
> case 129:
> case 130:
> case 131:
> @@ -494,7 +488,13 @@ aarch64_insert_operand (const aarch64_operand *self,
> case 134:
> case 135:
> case 136:
> + case 137:
> + case 138:
> case 139:
> + case 140:
> + case 141:
> + case 142:
> + case 145:
> return aarch64_ins_regno (self, info, code, inst);
> case 12:
> return aarch64_ins_reg_extended (self, info, code, inst);
> @@ -531,8 +531,8 @@ aarch64_insert_operand (const aarch64_operand *self,
> case 68:
> case 69:
> case 70:
> - case 120:
> - case 122:
> + case 126:
> + case 128:
> return aarch64_ins_imm (self, info, code, inst);
> case 38:
> case 39:
> @@ -587,46 +587,55 @@ aarch64_insert_operand (const aarch64_operand *self,
> case 90:
> case 91:
> case 92:
> - return aarch64_ins_sve_addr_ri_u6 (self, info, code, inst);
> + return aarch64_ins_sve_addr_ri_s4xvl (self, info, code, inst);
> case 93:
> + return aarch64_ins_sve_addr_ri_s6xvl (self, info, code, inst);
> case 94:
> + return aarch64_ins_sve_addr_ri_s9xvl (self, info, code, inst);
> case 95:
> case 96:
> case 97:
> case 98:
> + return aarch64_ins_sve_addr_ri_u6 (self, info, code, inst);
> case 99:
> case 100:
> case 101:
> case 102:
> case 103:
> case 104:
> - return aarch64_ins_sve_addr_rr_lsl (self, info, code, inst);
> case 105:
> case 106:
> case 107:
> case 108:
> case 109:
> case 110:
> + return aarch64_ins_sve_addr_rr_lsl (self, info, code, inst);
> case 111:
> case 112:
> - return aarch64_ins_sve_addr_rz_xtw (self, info, code, inst);
> case 113:
> case 114:
> case 115:
> case 116:
> - return aarch64_ins_sve_addr_zi_u5 (self, info, code, inst);
> case 117:
> - return aarch64_ins_sve_addr_zz_lsl (self, info, code, inst);
> case 118:
> - return aarch64_ins_sve_addr_zz_sxtw (self, info, code, inst);
> + return aarch64_ins_sve_addr_rz_xtw (self, info, code, inst);
> case 119:
> - return aarch64_ins_sve_addr_zz_uxtw (self, info, code, inst);
> + case 120:
> case 121:
> + case 122:
> + return aarch64_ins_sve_addr_zi_u5 (self, info, code, inst);
> + case 123:
> + return aarch64_ins_sve_addr_zz_lsl (self, info, code, inst);
> + case 124:
> + return aarch64_ins_sve_addr_zz_sxtw (self, info, code, inst);
> + case 125:
> + return aarch64_ins_sve_addr_zz_uxtw (self, info, code, inst);
> + case 127:
> return aarch64_ins_sve_scale (self, info, code, inst);
> - case 137:
> + case 143:
> return aarch64_ins_sve_index (self, info, code, inst);
> - case 138:
> - case 140:
> + case 144:
> + case 146:
> return aarch64_ins_sve_reglist (self, info, code, inst);
> default: assert (0); abort ();
> }
> diff --git a/opcodes/aarch64-asm.c b/opcodes/aarch64-asm.c
> index 0d3b2c7..944a9eb 100644
> --- a/opcodes/aarch64-asm.c
> +++ b/opcodes/aarch64-asm.c
> @@ -745,6 +745,56 @@ aarch64_ins_reg_shifted (const aarch64_operand *self ATTRIBUTE_UNUSED,
> return NULL;
> }
>
> +/* Encode an SVE address [<base>, #<simm4>*<factor>, MUL VL],
> + where <simm4> is a 4-bit signed value and where <factor> is 1 plus
> + SELF's operand-dependent value. fields[0] specifies the field that
> + holds <base>. <simm4> is encoded in the SVE_imm4 field. */
> +const char *
> +aarch64_ins_sve_addr_ri_s4xvl (const aarch64_operand *self,
> + const aarch64_opnd_info *info,
> + aarch64_insn *code,
> + const aarch64_inst *inst ATTRIBUTE_UNUSED)
> +{
> + int factor = 1 + get_operand_specific_data (self);
> + insert_field (self->fields[0], code, info->addr.base_regno, 0);
> + insert_field (FLD_SVE_imm4, code, info->addr.offset.imm / factor, 0);
> + return NULL;
> +}
> +
> +/* Encode an SVE address [<base>, #<simm6>*<factor>, MUL VL],
> + where <simm6> is a 6-bit signed value and where <factor> is 1 plus
> + SELF's operand-dependent value. fields[0] specifies the field that
> + holds <base>. <simm6> is encoded in the SVE_imm6 field. */
> +const char *
> +aarch64_ins_sve_addr_ri_s6xvl (const aarch64_operand *self,
> + const aarch64_opnd_info *info,
> + aarch64_insn *code,
> + const aarch64_inst *inst ATTRIBUTE_UNUSED)
> +{
> + int factor = 1 + get_operand_specific_data (self);
> + insert_field (self->fields[0], code, info->addr.base_regno, 0);
> + insert_field (FLD_SVE_imm6, code, info->addr.offset.imm / factor, 0);
> + return NULL;
> +}
> +
> +/* Encode an SVE address [<base>, #<simm9>*<factor>, MUL VL],
> + where <simm9> is a 9-bit signed value and where <factor> is 1 plus
> + SELF's operand-dependent value. fields[0] specifies the field that
> + holds <base>. <simm9> is encoded in the concatenation of the SVE_imm6
> + and imm3 fields, with imm3 being the less-significant part. */
> +const char *
> +aarch64_ins_sve_addr_ri_s9xvl (const aarch64_operand *self,
> + const aarch64_opnd_info *info,
> + aarch64_insn *code,
> + const aarch64_inst *inst ATTRIBUTE_UNUSED)
> +{
> + int factor = 1 + get_operand_specific_data (self);
> + insert_field (self->fields[0], code, info->addr.base_regno, 0);
> + insert_fields (code, info->addr.offset.imm / factor, 0,
> + 2, FLD_imm3, FLD_SVE_imm6);
> + return NULL;
> +}
> +
> /* Encode an SVE address [X<n>, #<SVE_imm6> << <shift>], where <SVE_imm6>
> is a 6-bit unsigned number and where <shift> is SELF's operand-dependent
> value. fields[0] specifies the base register field. */
> diff --git a/opcodes/aarch64-asm.h b/opcodes/aarch64-asm.h
> index b81cfa1..5e13de0 100644
> --- a/opcodes/aarch64-asm.h
> +++ b/opcodes/aarch64-asm.h
> @@ -69,6 +69,9 @@ AARCH64_DECL_OPD_INSERTER (ins_hint);
> AARCH64_DECL_OPD_INSERTER (ins_prfop);
> AARCH64_DECL_OPD_INSERTER (ins_reg_extended);
> AARCH64_DECL_OPD_INSERTER (ins_reg_shifted);
> +AARCH64_DECL_OPD_INSERTER (ins_sve_addr_ri_s4xvl);
> +AARCH64_DECL_OPD_INSERTER (ins_sve_addr_ri_s6xvl);
> +AARCH64_DECL_OPD_INSERTER (ins_sve_addr_ri_s9xvl);
> AARCH64_DECL_OPD_INSERTER (ins_sve_addr_ri_u6);
> AARCH64_DECL_OPD_INSERTER (ins_sve_addr_rr_lsl);
> AARCH64_DECL_OPD_INSERTER (ins_sve_addr_rz_xtw);
> diff --git a/opcodes/aarch64-dis-2.c b/opcodes/aarch64-dis-2.c
> index 3dd714f..48d6ce7 100644
> --- a/opcodes/aarch64-dis-2.c
> +++ b/opcodes/aarch64-dis-2.c
> @@ -10426,12 +10426,6 @@ aarch64_extract_operand (const aarch64_operand *self,
> case 27:
> case 35:
> case 36:
> - case 123:
> - case 124:
> - case 125:
> - case 126:
> - case 127:
> - case 128:
> case 129:
> case 130:
> case 131:
> @@ -10440,7 +10434,13 @@ aarch64_extract_operand (const aarch64_operand *self,
> case 134:
> case 135:
> case 136:
> + case 137:
> + case 138:
> case 139:
> + case 140:
> + case 141:
> + case 142:
> + case 145:
> return aarch64_ext_regno (self, info, code, inst);
> case 8:
> return aarch64_ext_regrt_sysins (self, info, code, inst);
> @@ -10482,8 +10482,8 @@ aarch64_extract_operand (const aarch64_operand *self,
> case 68:
> case 69:
> case 70:
> - case 120:
> - case 122:
> + case 126:
> + case 128:
> return aarch64_ext_imm (self, info, code, inst);
> case 38:
> case 39:
> @@ -10540,46 +10540,55 @@ aarch64_extract_operand (const aarch64_operand *self,
> case 90:
> case 91:
> case 92:
> - return aarch64_ext_sve_addr_ri_u6 (self, info, code, inst);
> + return aarch64_ext_sve_addr_ri_s4xvl (self, info, code, inst);
> case 93:
> + return aarch64_ext_sve_addr_ri_s6xvl (self, info, code, inst);
> case 94:
> + return aarch64_ext_sve_addr_ri_s9xvl (self, info, code, inst);
> case 95:
> case 96:
> case 97:
> case 98:
> + return aarch64_ext_sve_addr_ri_u6 (self, info, code, inst);
> case 99:
> case 100:
> case 101:
> case 102:
> case 103:
> case 104:
> - return aarch64_ext_sve_addr_rr_lsl (self, info, code, inst);
> case 105:
> case 106:
> case 107:
> case 108:
> case 109:
> case 110:
> + return aarch64_ext_sve_addr_rr_lsl (self, info, code, inst);
> case 111:
> case 112:
> - return aarch64_ext_sve_addr_rz_xtw (self, info, code, inst);
> case 113:
> case 114:
> case 115:
> case 116:
> - return aarch64_ext_sve_addr_zi_u5 (self, info, code, inst);
> case 117:
> - return aarch64_ext_sve_addr_zz_lsl (self, info, code, inst);
> case 118:
> - return aarch64_ext_sve_addr_zz_sxtw (self, info, code, inst);
> + return aarch64_ext_sve_addr_rz_xtw (self, info, code, inst);
> case 119:
> - return aarch64_ext_sve_addr_zz_uxtw (self, info, code, inst);
> + case 120:
> case 121:
> + case 122:
> + return aarch64_ext_sve_addr_zi_u5 (self, info, code, inst);
> + case 123:
> + return aarch64_ext_sve_addr_zz_lsl (self, info, code, inst);
> + case 124:
> + return aarch64_ext_sve_addr_zz_sxtw (self, info, code, inst);
> + case 125:
> + return aarch64_ext_sve_addr_zz_uxtw (self, info, code, inst);
> + case 127:
> return aarch64_ext_sve_scale (self, info, code, inst);
> - case 137:
> + case 143:
> return aarch64_ext_sve_index (self, info, code, inst);
> - case 138:
> - case 140:
> + case 144:
> + case 146:
> return aarch64_ext_sve_reglist (self, info, code, inst);
> default: assert (0); abort ();
> }
> diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c
> index ed77b4d..ba6befd 100644
> --- a/opcodes/aarch64-dis.c
> +++ b/opcodes/aarch64-dis.c
> @@ -1186,6 +1186,78 @@ aarch64_ext_reg_shifted (const aarch64_operand *self ATTRIBUTE_UNUSED,
> return 1;
> }
>
> +/* Decode an SVE address [<base>, #<offset>*<factor>, MUL VL],
> + where <offset> is given by the OFFSET parameter and where <factor> is
> + 1 plus SELF's operand-dependent value. fields[0] specifies the field
> + that holds <base>. */
> +static int
> +aarch64_ext_sve_addr_reg_mul_vl (const aarch64_operand *self,
> + aarch64_opnd_info *info, aarch64_insn code,
> + int64_t offset)
> +{
> + info->addr.base_regno = extract_field (self->fields[0], code, 0);
> + info->addr.offset.imm = offset * (1 + get_operand_specific_data (self));
> + info->addr.offset.is_reg = FALSE;
> + info->addr.writeback = FALSE;
> + info->addr.preind = TRUE;
> + if (offset != 0)
> + info->shifter.kind = AARCH64_MOD_MUL_VL;
> + info->shifter.amount = 1;
> + info->shifter.operator_present = (info->addr.offset.imm != 0);
> + info->shifter.amount_present = FALSE;
> + return 1;
> +}
> +
> +/* Decode an SVE address [<base>, #<simm4>*<factor>, MUL VL],
> + where <simm4> is a 4-bit signed value and where <factor> is 1 plus
> + SELF's operand-dependent value. fields[0] specifies the field that
> + holds <base>. <simm4> is encoded in the SVE_imm4 field. */
> +int
> +aarch64_ext_sve_addr_ri_s4xvl (const aarch64_operand *self,
> + aarch64_opnd_info *info, aarch64_insn code,
> + const aarch64_inst *inst ATTRIBUTE_UNUSED)
> +{
> + int offset;
> +
> + offset = extract_field (FLD_SVE_imm4, code, 0);
> + offset = ((offset + 8) & 15) - 8;
> + return aarch64_ext_sve_addr_reg_mul_vl (self, info, code, offset);
> +}
> +
> +/* Decode an SVE address [<base>, #<simm6>*<factor>, MUL VL],
> + where <simm6> is a 6-bit signed value and where <factor> is 1 plus
> + SELF's operand-dependent value. fields[0] specifies the field that
> + holds <base>. <simm6> is encoded in the SVE_imm6 field. */
> +int
> +aarch64_ext_sve_addr_ri_s6xvl (const aarch64_operand *self,
> + aarch64_opnd_info *info, aarch64_insn code,
> + const aarch64_inst *inst ATTRIBUTE_UNUSED)
> +{
> + int offset;
> +
> + offset = extract_field (FLD_SVE_imm6, code, 0);
> + offset = (((offset + 32) & 63) - 32);
> + return aarch64_ext_sve_addr_reg_mul_vl (self, info, code, offset);
> +}
> +
> +/* Decode an SVE address [<base>, #<simm9>*<factor>, MUL VL],
> + where <simm9> is a 9-bit signed value and where <factor> is 1 plus
> + SELF's operand-dependent value. fields[0] specifies the field that
> + holds <base>. <simm9> is encoded in the concatenation of the SVE_imm6
> + and imm3 fields, with imm3 being the less-significant part. */
> +int
> +aarch64_ext_sve_addr_ri_s9xvl (const aarch64_operand *self,
> + aarch64_opnd_info *info,
> + aarch64_insn code,
> + const aarch64_inst *inst ATTRIBUTE_UNUSED)
> +{
> + int offset;
> +
> + offset = extract_fields (code, 0, 2, FLD_SVE_imm6, FLD_imm3);
> + offset = (((offset + 256) & 511) - 256);
> + return aarch64_ext_sve_addr_reg_mul_vl (self, info, code, offset);
> +}
> +
> /* Decode an SVE address [<base>, #<offset> << <shift>], where <offset>
> is given by the OFFSET parameter and where <shift> is SELF's operand-
> dependent value. fields[0] specifies the base register field <base>. */
> diff --git a/opcodes/aarch64-dis.h b/opcodes/aarch64-dis.h
> index 0ce2d89..5619877 100644
> --- a/opcodes/aarch64-dis.h
> +++ b/opcodes/aarch64-dis.h
> @@ -91,6 +91,9 @@ AARCH64_DECL_OPD_EXTRACTOR (ext_hint);
> AARCH64_DECL_OPD_EXTRACTOR (ext_prfop);
> AARCH64_DECL_OPD_EXTRACTOR (ext_reg_extended);
> AARCH64_DECL_OPD_EXTRACTOR (ext_reg_shifted);
> +AARCH64_DECL_OPD_EXTRACTOR (ext_sve_addr_ri_s4xvl);
> +AARCH64_DECL_OPD_EXTRACTOR (ext_sve_addr_ri_s6xvl);
> +AARCH64_DECL_OPD_EXTRACTOR (ext_sve_addr_ri_s9xvl);
> AARCH64_DECL_OPD_EXTRACTOR (ext_sve_addr_ri_u6);
> AARCH64_DECL_OPD_EXTRACTOR (ext_sve_addr_rr_lsl);
> AARCH64_DECL_OPD_EXTRACTOR (ext_sve_addr_rz_xtw);
> diff --git a/opcodes/aarch64-opc-2.c b/opcodes/aarch64-opc-2.c
> index ed2b70b..a72f577 100644
> --- a/opcodes/aarch64-opc-2.c
> +++ b/opcodes/aarch64-opc-2.c
> @@ -113,6 +113,12 @@ const struct aarch64_operand aarch64_operands[] =
> {AARCH64_OPND_CLASS_SYSTEM, "BARRIER_ISB", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {}, "the ISB option name SY or an optional 4-bit unsigned immediate"},
> {AARCH64_OPND_CLASS_SYSTEM, "PRFOP", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {}, "a prefetch operation specifier"},
> {AARCH64_OPND_CLASS_SYSTEM, "BARRIER_PSB", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {}, "the PSB option name CSYNC"},
> + {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RI_S4xVL", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn}, "an address with a 4-bit signed offset, multiplied by VL"},
> + {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RI_S4x2xVL", 1 << OPD_F_OD_LSB | OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn}, "an address with a 4-bit signed offset, multiplied by 2*VL"},
> + {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RI_S4x3xVL", 2 << OPD_F_OD_LSB | OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn}, "an address with a 4-bit signed offset, multiplied by 3*VL"},
> + {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RI_S4x4xVL", 3 << OPD_F_OD_LSB | OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn}, "an address with a 4-bit signed offset, multiplied by 4*VL"},
> + {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RI_S6xVL", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn}, "an address with a 6-bit signed offset, multiplied by VL"},
> + {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RI_S9xVL", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn}, "an address with a 9-bit signed offset, multiplied by VL"},
> {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RI_U6", OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn}, "an address with a 6-bit unsigned offset"},
> {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RI_U6x2", 1 << OPD_F_OD_LSB | OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn}, "an address with a 6-bit unsigned offset, multiplied by 2"},
> {AARCH64_OPND_CLASS_ADDRESS, "SVE_ADDR_RI_U6x4", 2 << OPD_F_OD_LSB | OPD_F_HAS_INSERTER | OPD_F_HAS_EXTRACTOR, {FLD_Rn}, "an address with a 6-bit unsigned offset, multiplied by 4"},
> diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c
> index 6617e28..d0959b5 100644
> --- a/opcodes/aarch64-opc.c
> +++ b/opcodes/aarch64-opc.c
> @@ -365,6 +365,7 @@ const struct aarch64_name_value_pair aarch64_operand_modifiers [] =
> {"sxtw", 0x6},
> {"sxtx", 0x7},
> {"mul", 0x0},
> + {"mul vl", 0x0},
> {NULL, 0},
> };
>
> @@ -486,10 +487,11 @@ value_in_range_p (int64_t value, int low, int high)
> return (value >= low && value <= high) ? 1 : 0;
> }
>
> +/* Return true if VALUE is a multiple of ALIGN. */
> static inline int
> value_aligned_p (int64_t value, int align)
> {
> - return ((value & (align - 1)) == 0) ? 1 : 0;
> + return (value % align) == 0;
> }
>
> /* A signed value fits in a field. */
> @@ -1666,6 +1668,49 @@ operand_general_constraint_met_p (const aarch64_opnd_info *opnds, int idx,
> }
> break;
>
> + case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL:
> + min_value = -8;
> + max_value = 7;
> + sve_imm_offset_vl:
> + assert (!opnd->addr.offset.is_reg);
> + assert (opnd->addr.preind);
> + num = 1 + get_operand_specific_data (&aarch64_operands[type]);
> + min_value *= num;
> + max_value *= num;
> + if ((opnd->addr.offset.imm != 0 && !opnd->shifter.operator_present)
> + || (opnd->shifter.operator_present
> + && opnd->shifter.kind != AARCH64_MOD_MUL_VL))
> + {
> + set_other_error (mismatch_detail, idx,
> + _("invalid addressing mode"));
> + return 0;
> + }
> + if (!value_in_range_p (opnd->addr.offset.imm, min_value, max_value))
> + {
> + set_offset_out_of_range_error (mismatch_detail, idx,
> + min_value, max_value);
> + return 0;
> + }
> + if (!value_aligned_p (opnd->addr.offset.imm, num))
> + {
> + set_unaligned_error (mismatch_detail, idx, num);
> + return 0;
> + }
> + break;
> +
> + case AARCH64_OPND_SVE_ADDR_RI_S6xVL:
> + min_value = -32;
> + max_value = 31;
> + goto sve_imm_offset_vl;
> +
> + case AARCH64_OPND_SVE_ADDR_RI_S9xVL:
> + min_value = -256;
> + max_value = 255;
> + goto sve_imm_offset_vl;
> +
> case AARCH64_OPND_SVE_ADDR_RI_U6:
> case AARCH64_OPND_SVE_ADDR_RI_U6x2:
> case AARCH64_OPND_SVE_ADDR_RI_U6x4:
> @@ -2645,7 +2690,13 @@ print_immediate_offset_address (char *buf, size_t size,
> }
> else
> {
> - if (opnd->addr.offset.imm)
> + if (opnd->shifter.operator_present)
> + {
> + assert (opnd->shifter.kind == AARCH64_MOD_MUL_VL);
> + snprintf (buf, size, "[%s,#%d,mul vl]",
> + base, opnd->addr.offset.imm);
> + }
> + else if (opnd->addr.offset.imm)
> snprintf (buf, size, "[%s,#%d]", base, opnd->addr.offset.imm);
> else
> snprintf (buf, size, "[%s]", base);
> @@ -3114,6 +3165,12 @@ aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
> case AARCH64_OPND_ADDR_SIMM7:
> case AARCH64_OPND_ADDR_SIMM9:
> case AARCH64_OPND_ADDR_SIMM9_2:
> + case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S6xVL:
> + case AARCH64_OPND_SVE_ADDR_RI_S9xVL:
> case AARCH64_OPND_SVE_ADDR_RI_U6:
> case AARCH64_OPND_SVE_ADDR_RI_U6x2:
> case AARCH64_OPND_SVE_ADDR_RI_U6x4:
> diff --git a/opcodes/aarch64-tbl.h b/opcodes/aarch64-tbl.h
> index ef32e19..ac7ccf0 100644
> --- a/opcodes/aarch64-tbl.h
> +++ b/opcodes/aarch64-tbl.h
> @@ -2820,6 +2820,24 @@ struct aarch64_opcode aarch64_opcode_table[] =
> "a prefetch operation specifier") \
> Y (SYSTEM, hint, "BARRIER_PSB", 0, F (), \
> "the PSB option name CSYNC") \
> + Y(ADDRESS, sve_addr_ri_s4xvl, "SVE_ADDR_RI_S4xVL", \
> + 0 << OPD_F_OD_LSB, F(FLD_Rn), \
> + "an address with a 4-bit signed offset, multiplied by VL") \
> + Y(ADDRESS, sve_addr_ri_s4xvl, "SVE_ADDR_RI_S4x2xVL", \
> + 1 << OPD_F_OD_LSB, F(FLD_Rn), \
> + "an address with a 4-bit signed offset, multiplied by 2*VL") \
> + Y(ADDRESS, sve_addr_ri_s4xvl, "SVE_ADDR_RI_S4x3xVL", \
> + 2 << OPD_F_OD_LSB, F(FLD_Rn), \
> + "an address with a 4-bit signed offset, multiplied by 3*VL") \
> + Y(ADDRESS, sve_addr_ri_s4xvl, "SVE_ADDR_RI_S4x4xVL", \
> + 3 << OPD_F_OD_LSB, F(FLD_Rn), \
> + "an address with a 4-bit signed offset, multiplied by 4*VL") \
> + Y(ADDRESS, sve_addr_ri_s6xvl, "SVE_ADDR_RI_S6xVL", \
> + 0 << OPD_F_OD_LSB, F(FLD_Rn), \
> + "an address with a 6-bit signed offset, multiplied by VL") \
> + Y(ADDRESS, sve_addr_ri_s9xvl, "SVE_ADDR_RI_S9xVL", \
> + 0 << OPD_F_OD_LSB, F(FLD_Rn), \
> + "an address with a 9-bit signed offset, multiplied by VL") \
> Y(ADDRESS, sve_addr_ri_u6, "SVE_ADDR_RI_U6", 0 << OPD_F_OD_LSB, \
> F(FLD_Rn), "an address with a 6-bit unsigned offset") \
> Y(ADDRESS, sve_addr_ri_u6, "SVE_ADDR_RI_U6x2", 1 << OPD_F_OD_LSB, \
>